Home / 5,303.97-7,319.43-2,945.70

Finding the Fourth Proportional to 5,303.97, 7,319.43 and 2,945.70

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Solution

The fourth proportional to 5,303.97, 7,319.43 and 2,945.70 is: 4,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.97 : 7,319.43 = 2,945.70 : x
  2. Step 2: Convert to fraction form
    5,303.97/7,319.43 = 2,945.70/x
  3. Step 3: Cross multiply
    5,303.97x = 7,319.43 × 2,945.70
  4. Step 4: Simplify right side
    5,303.97x = 21,560,844.95
  5. Step 5: Solve for x
    x = 21,560,844.95/5,303.97
  6. Step 6: Final answer
    x = 4,065.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.